CN101198440A - Production line for flexibly machining workpieces - Google Patents

Production line for flexibly machining workpieces Download PDF

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Publication number
CN101198440A
CN101198440A CN200680021391.9A CN200680021391A CN101198440A CN 101198440 A CN101198440 A CN 101198440A CN 200680021391 A CN200680021391 A CN 200680021391A CN 101198440 A CN101198440 A CN 101198440A
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CN
China
Prior art keywords
production line
workpiece
machining cell
machining
slide plate
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Pending
Application number
CN200680021391.9A
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Chinese (zh)
Inventor
托尔斯滕·许布纳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Supfina Grieshaber GmbH and Co KG
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Supfina Grieshaber GmbH and Co KG
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q7/00Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
    • B23Q7/14Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting co-ordinated in production lines
    • B23Q7/1405Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting co-ordinated in production lines with a series disposition of similar working devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P21/00Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
    • B23P21/004Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control the units passing two or more work-stations whilst being composed
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q41/00Combinations or associations of metal-working machines not directed to a particular result according to classes B21, B23, or B24
    • B23Q41/02Features relating to transfer of work between machines
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/51Plural diverse manufacturing apparatus including means for metal shaping or assembling
    • Y10T29/5124Plural diverse manufacturing apparatus including means for metal shaping or assembling with means to feed work intermittently from one tool station to another

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Multi-Process Working Machines And Systems (AREA)
  • Insulated Conductors (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

The inventive production line for producing workpieces comprises several machining cells (21) which are positioned in row side by side and a transport device (31) for transporting the workpiece(s) to be machined to the machining cells (21) or for removing them therefrom, wherein all machining cells (21) of the production line are arranged on a base module (13), the transport means (31) comprises a guide rail (33) extending along at least the entire length of the base module (13) and at least one transport slide (35) is placed on the guide rail (33).

Description

The production line that is used for flexibly machining workpieces
Technical field
The present invention relates to a kind of production line with different procedure of processing processing works.
Background technology
If must on a workpiece, carry out a large amount of procedure of processings, can carry out as follows so, promptly workpiece carries out one or more procedure of processing through different machining tool and each machining tools successively.This production line floor space that the shortcoming of this scheme is made up of different lathes huge and when being converted to other workpiece the flexibility deficiency.
The another kind of scheme that has been verified in practice is a machining center, and it has a rotary table with a plurality of work piece holders, around this rotary table different processing stations is set.By the rotation of rotary table, work piece holder is moved by a processing station together with the workpiece that is in the work piece holder.
DE 103 13 792 A1, DE 102 29 341 A1, DE 100 12 579 and DE 197 41671 A1 disclose the machining cell of the various process assembly of can packing into as required.In this regard, the setting of a plurality of this self-supply type machining cell is embarked on journey.The shortcoming of this scheme is that conveying workpieces is successively through different process components and processing there on these machining cells.Because this fixing processing sequence, the cycle of whole machining cell, the cycle of the process component by having maximum cycle was determined regularly.
Summary of the invention
The objective of the invention is to, improve the production capacity of conventional production lines and machining cell and improve its flexibility simultaneously.
This purpose according to the present invention a kind ofly be used for processing work, have a plurality of be arranged side by side the machining cell of embarking on journey and be used for to the production line of the conveying device of carrying single or a plurality of workpiece from machining cell on be achieved in the following way, all machining cells that are production line are arranged on the infrastructure component, conveying device comprises guided way, guided way extends on the total length of infrastructure component at least, and at least one conveying slide plate is set on guided way.
Embark on journey by the machining cell setting, cancel the cycle that connects different machining cells when existing on the machining center with rotary table, thereby each machining cell can load workpiece according to its production capacity.Realize the load of the best of each single machining cell thus.
About foundation production line of the present invention, the advantage according to induction system of the present invention that comprises delivery track and at least one conveying slide plate is: utilizing single or a plurality of conveying slide plates is not that workpiece is transported to next machining cell from a machining cell, but workpiece is delivered directly to next or farther machining cell again.
For example, if the cycle of a procedure of processing is obviously greater than other procedure of processings, in production line scheme of the present invention, can have two machining cells so, mutually concurrently to having single procedure of processing of bigger cycle or a plurality of procedure of processing on the different respectively workpiece.By carrying out processing two workpiece simultaneously on two processing stations of identical procedure of processing, ideally the output capacity of whole production line is doubled by inserting another machining cell.Can produce the remarkable economical advantage thus.
For example, if polishing processing need 10 seconds cycle with last or down together grinding need 30 seconds cycle, by use simultaneously two or three grinding subassemblies with the cycle limit of whole production line at 15 seconds or even 10 seconds.
In addition, production line assembly formula scheme of the present invention also has clear superiority aspect the clamping of workpiece.For example, if processing with respect to angled first plane of the longitudinal axis of workpiece, tightens workpiece on chuck so with long claw.If need the grinding and the first parallel plane opposite planar now, so advantageously, workpiece was tightened in the short-and-medium time of this second plane polishing process, so that make workpiece directed on its first plane.These different workpiece chucking tasks can not realize on a jig mostly.This can carry out on two different polishing unit without a doubt, and promptly one of them processes first plane and second processing second plane, thereby forms higher product quality.
In this external foundation production line scheme of the present invention, be arranged side by side when the processing station of embarking on journey needs and change, thereby when the conversion production line, can produce the production line that a kind of production capacity with a small amount of spending, optimization is processed other workpiece.
The advantage of formation is for the manufacturer of foundation production line of the present invention, and he can provide a large amount of extremely different production lines, and these production lines are made up of the standardization machining cell of considerable quantity and are disposed according to user's requirement.Make manufacturer have clear superiority aspect time of delivery and the inventory cost thus according to production line of the present invention.
Certain this modularization also has clear superiority concerning the user.If because no longer need no longer need this production line, so also processing station, infrastructure component and induction system can be reused for new production line of assembling by this production line product processed.The cost of reducing investment outlay thus also effectively improves the buyer's investment security.The background of these advantages is that the product life cycle constantly reduces and new production technology is advanced by leaps and bounds.According to production line of the present invention can a spot ofly install, time and cost reequip and subsequent installation in the framework of product and/or technology conversion.
The interchangeability and the standardization of machining cell are promoted further that as follows promptly machining cell is arranged on the infrastructure component.
Advantageously, the width of infrastructure component with grid and machining cell is equivalent to the lattice dimensions of infrastructure component or the integral multiple of lattice dimensions.Further simplified and become easy in the configuration of the assembly interchangeability of a production line inside or a production line according to customer requirements thus.
Self-evident, machining cell both can cut also can carry out non-cutting working method.Under the situation of necessary machining high-precision workpiece, one or more machining cell also can comprise measurement mechanism, thereby its measured value can be imported next machining cell.The precision of finished product workpiece is optimized and can makes percent defective approach zero thus.
After workpiece machines, can in another machining cell, check all key dimensions, morphology and surface roughness, thereby just can automatically finish hundred-percent quality control at the end of production line.The measured value at this dimension control station can be imported the control device according to production line of the present invention, thereby further reduces the actual value of back workpiece and the deviation of rated value.
Fact proved that in production line of the present invention advantageously, machining cell is provided with one or more work spindle that is used to install and drive workpiece.
The fact proves advantageously that further machining cell also has the rotary table with a plurality of work piece holders, utilizes it workpiece to be transported to successively single or a plurality of machining spindles of a machining cell.Self-evident, reasonably be preferably only will be incorporated on the machining cell, thereby the load of all cutter spindles of machining cell is approximate identical in similar those procedure of processings aspect cycle and the technological requirement.
Because the work piece holder that processing causes rotary table has a small amount of error aspect directed and/or its longitudinal axis is also not exclusively parallel with the rotation of rotary table at it, so machining cell of the present invention according to improvement project of the present invention in, work spindle can be around the X-axis line and/or around the Y-axis line manually or motor adjustment revolution.Although guarantee thus that may there be mismachining tolerance in the longitudinal axis of the rotation of work spindle and work piece holder but still directed each other as the workpiece processing request.
As requiring to intersect in grinding or sealing surface needs some procedure of processing that sphere constitutes slightly, can require the longitudinal axis of cutter spindle and the longitudinal axis of work spindle to be offset each other for example with a kind of exactly determined amount.In this case, by cutter spindle around X-axis line and/or Y-axis line by means of the independent revolution of motor, also can adjust desired grinding figure or desired sphere.
In addition, the directional bias of the mismachining tolerance of rotary table or work piece holder longitudinal axis can be compensated automatically, thereby the error of processing result and described rotary table is irrelevant.
In order workpiece to be transported on the one hand in the production line of the present invention and to transport and workpiece can be transported to another machining cell from a machining cell on the other hand, be provided with a conveying device that comprises guided way from production line of the present invention.At least one is set on the guided way carries slide plate, it has one or more workpiece gripping apparatus and/or workpiece turning unit.
Preferably have one and carry slide plate between per two machining cells, it can take out single or a plurality of workpiece and be transported to an adjacent machining cell from work piece holder.If two machining cells carry out identical procedure of processing mutually concurrently, for example because cycle of this procedure of processing obviously greater than all the other procedure of processings of on production line of the present invention, carrying out, so workpiece can be transported to the machining cell of a direct neighbor from a machining cell by means of conveying device yet, but be transported to a farther machining cell.
Description of drawings
Other advantages of the present invention and favourable improvement project can draw from accompanying drawing, accompanying drawing description and claim.Accompanying drawing, accompanying drawing describe and claim in all features of describing both can constitute individually that key element of the present invention also can be mutual constitute key element of the present invention arbitrarily in combination.Wherein:
Fig. 1 illustrates according to the equidistant view of production line of the present invention;
Fig. 2 illustrates the side view according to production line of the present invention;
Fig. 3 illustrates the enlarged drawing of Fig. 1 part;
Fig. 4 illustrates according to production line of the present invention and is in vertical view on the primary importance; And
Fig. 5 illustrates according to production line of the present invention and is in vertical view on the second place.
The specific embodiment
Fig. 1 illustrates an embodiment according to production line of the present invention.On according to production line of the present invention left side, be provided with automatic loader 1, utilize this automatic loader to load workpiece according to production line of the present invention.On the right-hand member of Fig. 1 production line, be provided with washing unit 5.
Production line anterior and be provided with a plurality of machining cells (no Reference numeral) in the mode of embarking on journey side by side in Fig. 1 in splash-back 3 back.In Fig. 1, be arranged side by side different switch board 7 on the rear end of production line.In this regard, each switch board is used to control the machining cell that is in its front.Self-evident, also can adopt the upper level control device, it is with the different machining cell networkings and the coordination control of production line of the present invention.
Console 11 is connected with switch board 7 by cantilever 9.Machining cell and switch board 7 are arranged on the infrastructure component 13.If production line comprises a large amount of machining cells, also two infrastructure components 13 can be set abreast.Self-evident, the length of foundation production line of the present invention is not limited to two infrastructure components, but can be arranged side by side a plurality of infrastructure components and the machining cell of embarking on journey according to the needs of workpiece processing.
Fig. 2 illustrates the side view according to production line of the present invention.Identical parts have identical Reference numeral and are suitable for and Fig. 1 content corresponding.Can find out obviously that from this side view production line can be divided into four different zones from front to back.Top zone is so-called wet Processing Room 15, can carry out the processing of workpiece reality in this wet Processing Room.Splash-back 3 is used for wet Processing Room 15 and surrounding environment are separated, thereby the cooling fluid and the lubricating fluid that use during processing work can not arrive surrounding environment.The back of wet Processing Room 15 is provided with so-called dried Processing Room 17.
Be provided with maintenance channel 19 between switch cubicle and switch board 7 and the dried Processing Room 17, it improves the getatability of switch board and machining cell or processing assembly.
In wet Processing Room 15 machining cell is shown, it has Reference numeral 21 on the whole.Comprise a plurality of machining cells 21 that have difference in functionality usually according to production line of the present invention.
Appreciable machining cell 21 has the framework 23 that is connected with infrastructure component 13 in Fig. 2.Be fixed with one or more cutter spindle 25 by slide plate and guide rail (no Reference numeral) in the mode that moves back and forth on the framework 23.In this regard, a plurality of digital control processing axis can be distributed on the different direction in spaces or be used to be rotated motion.The longitudinal axis of cutter spindle 25 is distributed on the z axis direction.Self-evident, processing station 21 not only can have the axis of three NC controls on the direction of three direction in spaces, and can additionally have other NC axis.
Be fixed with the rotary table that can on framework 23, rotate and lock below the cutter spindle 25.Rotary table 27 is provided with one or more work piece holder 29.As its name suggests, work piece holder 29 is used for the holding workpiece (not shown) and workpiece is sent in the working range of cutter spindle 25.Locking rotary table 27 also can be processed on this position.
In foundation machining cell 21 of the present invention, cutter spindle 25 can turn round or upset around the X-axis line with around the Y-axis line, thereby the longitudinal axis of the longitudinal axis of cutter spindle 25 and work piece holder 29 has definite angle each other.
Generally speaking, cutter spindle 25 is controlled as and makes it parallel with work piece holder.But under the specific (special) requirements situation to workpiece, two axis or direction comprise that each other an angle also is favourable.Particularly can adjust the concentricity of finishing back measuring workpieces anchor clamps 29 and with of the corrected value use of this mismachining tolerance thus at rotary table 27 and work piece holder 29 as Machine-Tool Control.Can carry out the corresponding correction of cutter spindle 25 longitudinal axis for each work piece holder 29 that is in cutter spindle 25 working ranges thus, thereby can compensate the mismachining tolerance of work piece holder 29 and rotary table 27 at last.
The front of machining cell 21 is provided with conveying device 31, the conveying slide plate 35 that it comprises guided way 33 and has turning unit 37 and workpiece gripping apparatus 39.Fig. 3 is to amplify slightly and not have the mode of splash-back 3 that the part of the production line of being made up of six work stations of the present invention is shown.
The workpiece (not shown) passes through production line from left to right.First machining cell is premeasuring station 41, measures the preceding workpiece of processing in this premeasuring station.The result transmission at premeasuring station 41 is to the control device of lathe inside and handle, thereby reaches desired final size during processing work in next machining cell in the shortest time.Defective in addition workpiece can be discerned by premeasuring station 41, thereby it can be sorted out.
The rotary table 27 at premeasuring station 41 has two work piece holders 29.Thus can measuring workpieces, and can take out the workpiece and the new workpiece of having measured of packing into from other work piece holders simultaneously.Rotary table 27 chargings at premeasuring station 41 and discharging and other machining cells 2-21.6 be same to be utilized and comprises that the conveying device 31 of guided way 33 and a plurality of conveying slide plates 35 carries out.The drive unit of carrying slide plate 35 to have linear drive apparatus or other types makes them workpiece can be taken out and be transported in the associated workpiece anchor clamps 29 of the adjacent machining cell and the rotary table 27 of packing into there from a machining cell.
Also can workpiece transfer not arrived the machining cell of direct neighbor, but for example transfer to a farther machining cell.This is very meaningful in the following cases and be favourable, and promptly two machining cells carry out identical procedure of processing to different workpieces mutually concurrently, because the cycle of this procedure of processing is obviously greater than cycle of all the other procedure of processings in other machining cells.Production capacity on the production line is doubled, though only need an additional machining cell.
The machining cell 21.2 that is arranged on right side, 21.1 next door, premeasuring station has the rotary table 27 of two cutter spindles 25 and three work piece holders 29 of a band total, thereby can carry out two procedure of processings successively when the clamping of workpiece (not shown) on machining cell 21.2.
During processing work, the 3rd work piece holder 29 is in to carry slide plate or be arranged on to be carried the turning unit 37 on the slide plate or is arranged in the working region of the workpiece gripping apparatus (no Reference numeral) on the turning unit, and can rotate or turn round or workpiece that pack into new workpiece or taking-up process and continue transported to adjacent machining cell 21.3.The machining cell 21.3 that is arranged on right side, machining cell 21.2 next door only has a cutter spindle 29 and a rotary table with two work piece holders 29 (no Reference numeral).
In machining cell 21.3, clean deburring operation.Machining cell 21.4 and 21.5 structure are corresponding to work station 21.2 and 21.3.On the end of part producing line shown in Figure 3, have again measuring station 21.6, measuring the workpiece of having processed in the measuring station again.The possible deviation of measured actual value and rated value is transferred to machine control unit and can be like this can converts corresponding correction value to when the workpiece of processing back, thus always remain on according to the workpiece crudy of processing on the production line of the present invention high level and mutually between deviation in the very little limit.
Self-evident, foundation production line of the present invention is not limited to six machining cells in the configuration shown in Figure 3, and the principal character of foundation production line of the present invention is the machining cell of assembly type, each machining cell all has special characteristic and can carry out one or several procedure of processings, and can be provided with and embark on journey and can be configured to processing work very accurately in enormous quantities.
Adjust the processing of workpiece if desired and process other workpiece, can when construction is used to process the production line of other workpiece, use with production line dismounting and with existing production line so.Self-evident, also each machining cell can be changed and replaced by other machining cells from production line.Improve the production capacity of whole production line thus with a small amount of spending, for example the machining cell of maximum cycle replaces by the new machining cell than the minor cycle.
Manufacturer for foundation production line of the present invention, this external manufacturing cost aspect forms significant advantage, because be not that each machining center all can be provided with in independent requirement according to the user, but manufacturer can form a production line with the most suitable separately processing station from the machining cell of existing type.Generally speaking, only with work piece holder 29 as the non-tender manufacturing that will produce parts.
Fig. 4 illustrates the vertical view of Fig. 3 according to production line of the present invention.In this regard, carry slide plate 35 to be arranged so that rotary table 27 or the work piece holder 29 (can't see among Fig. 4) that is arranged on the rotary table loads workpiece.Fig. 5 illustrates identical production line, wherein carries slide plate 35 to be on the position of discharging workpieces.This compares with the diagram of Fig. 4 and means, carries slide plate 35 to continue to move on the machine direction of unit.

Claims (14)

1. production line that is used for processing work, have a plurality of be arranged side by side the machining cell (21) of embarking on journey and be used for to the conveying device (31) of carrying one or more workpiece from machining cell (21), it is characterized in that, all machining cells (21) of production line are arranged on the infrastructure component (13), described conveying device (31) comprises guided way (33), described guided way (33) extends on the total length of infrastructure component (13) at least, and described guided way (33) is provided with at least one conveying slide plate (35).
2. production line as claimed in claim 1 is characterized in that, described infrastructure component (13) has grid, and the width of described machining cell (21) is equivalent to the lattice dimensions of described infrastructure component (13) or the integral multiple of lattice dimensions.
3. production line as claimed in claim 2 is characterized in that, the lattice dimensions of described infrastructure component (13) for example is 600mm.
4. each described production line in the claim as described above is characterized in that, at least one machining cell (21) by for example carrying out the processing of workpiece as cutting working methods such as turning, boring, milling, grinding, polishing and/or honings.
5. each described production line in the claim as described above is characterized in that, at least one machining cell (21) by for example as the cleaning deburring, corrode, roll, non-cutting working methods such as engraving, laser and/or distortion carry out the processing of workpiece.
6. each described production line in the claim as described above it is characterized in that at least one machining cell has one or more cutter spindle (25), and described cutter spindle (25) is used for installing and driving cutter.
7. each described production line in the claim as described above is characterized in that at least one machining cell (21) has the rotary table (27) with a plurality of work piece holders (29).
8. as claim 6 and 7 described production lines, it is characterized in that described cutter spindle (25) can turn round around the X-axis line and/or around the Y-axis line.
9. production line as claimed in claim 8 is characterized in that, described cutter spindle (25) is undertaken by one or more executive component by machine control unit around the X-axis line and/or around the gyration of Y-axis line.
10. each described production line in the claim as described above is characterized in that measuring workpieces at least one machining cell (21).
11. each described production line in the claim is characterized in that as described above, described at least one conveying slide plate (35) has one or more workpiece gripping apparatus (39) and/or workpiece turning unit (37).
12. each described production line in the claim as described above, it is characterized in that, described at least one conveying slide plate (35) can be sent into workpiece in the work piece holder (29) of machining cell (21), and at least one carries slide plate (35) to take out one or more workpiece from work piece holder (29).
13. each described production line in the claim as described above, it is characterized in that, described at least one carry slide plate (35) to carry the workpiece gripping apparatus (39) of slide plate (35) and/or workpiece turning unit (37) to take out one or more workpiece from another, and/or carry the workpiece gripping apparatus (39) of slide plate (35) and/or workpiece turning unit (37) one or more workpiece of packing into to another.
14. each described production line in the claim is characterized in that as described above, is provided with the automatic loader (1) that is used to load conveying device (31) on an end of described production line.
CN200680021391.9A 2005-10-01 2006-09-26 Production line for flexibly machining workpieces Pending CN101198440A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005047250A DE102005047250A1 (en) 2005-10-01 2005-10-01 Production line for producing work pieces, has many machining cells which are positioned side by side in row and transport device for transporting work piece in or from machining cells
DE102005047250.8 2005-10-01

Publications (1)

Publication Number Publication Date
CN101198440A true CN101198440A (en) 2008-06-11

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US (1) US20080169169A1 (en)
EP (1) EP1871570B1 (en)
CN (1) CN101198440A (en)
AT (1) ATE406235T1 (en)
DE (2) DE102005047250A1 (en)
WO (1) WO2007039186A1 (en)

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